Home / 1,759.40-2,631.18-1,565.54

Finding the Fourth Proportional to 1,759.40, 2,631.18 and 1,565.54

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Solution

The fourth proportional to 1,759.40, 2,631.18 and 1,565.54 is: 2,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.40 : 2,631.18 = 1,565.54 : x
  2. Step 2: Convert to fraction form
    1,759.40/2,631.18 = 1,565.54/x
  3. Step 3: Cross multiply
    1,759.40x = 2,631.18 × 1,565.54
  4. Step 4: Simplify right side
    1,759.40x = 4,119,217.54
  5. Step 5: Solve for x
    x = 4,119,217.54/1,759.40
  6. Step 6: Final answer
    x = 2,341.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.